My contacts include many groups. These work as the should on my macbook. But when I try to begin emails on my ipad, it doesn't recognize the groups. Any ideas? I have already used the hints on apple's site (turning off contacts from icloud, deleteing contacts from my ipad, waiting, resetting ipad, to no avail. groups still are not recognised by mail.)
When you compose a message in Mail, then tap "+" in the address field (to the right of To:), you will see all your contacts listed. If you want to only see contacts from a particular group, tap Groups on the top left, then tap the different groups so only the group you want to see is checked, then tap Done and you will only see contacts belonging to that group.
If you mean that you want to address email to all contacts in a particular group without selecting them individually, you need to use an app like Speed Names to do this.